the scan should now work for scanning dish network .. they use the SD…

…T OTHER

lib/components/scan.cpp

@@ -106,8 +106,8 @@ int eComponentScan::start(int feid, int flags)
 	}
 
 	std::list<ePtr<iDVBFrontendParameters> > list;
-		
-	m_scan = new eDVBScan(channel, true);
+
+	m_scan = new eDVBScan(channel);
 	m_scan->connectEvent(slot(*this, &eComponentScan::scanEvent), m_scan_event_connection);
 	m_scan->start(m_initial, flags);
 

lib/dvb/pmt.cpp

@@ -501,7 +501,7 @@ int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux,
 		if (ref.path.empty())
 		{
 			delete m_dvb_scan;
-			m_dvb_scan = new eDVBScan(m_channel, false);
+			m_dvb_scan = new eDVBScan(m_channel, false, false);
 			m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 		}
 	} else

lib/dvb/scan.cpp

@@ -1,7 +1,4 @@
 #include <lib/dvb/idvb.h>
-#include <dvbsi++/service_description_section.h>
-#include <dvbsi++/network_information_section.h>
-#include <dvbsi++/bouquet_association_section.h>
 #include <dvbsi++/descriptor_tag.h>
 #include <dvbsi++/service_descriptor.h>
 #include <dvbsi++/satellite_delivery_system_descriptor.h>
@@ -22,9 +19,10 @@ static bool scan_debug;
 
 DEFINE_REF(eDVBScan);
 
-eDVBScan::eDVBScan(iDVBChannel *channel, bool debug)
+eDVBScan::eDVBScan(iDVBChannel *channel, bool usePAT, bool debug)
 	:m_channel(channel), m_channel_state(iDVBChannel::state_idle)
-	,m_ready(0), m_ready_all(readySDT), m_flags(0)
+	,m_ready(0), m_ready_all(usePAT ? (readySDT|readyPAT) : readySDT)
+	,m_flags(0), m_usePAT(usePAT)
 {
 	scan_debug=debug;
 	if (m_channel->getDemux(m_demux))
@@ -89,7 +87,7 @@ RESULT eDVBScan::nextChannel()
 	m_SDT = 0; m_BAT = 0; m_NIT = 0;
 
 	m_ready = 0;
-	
+
 		/* check what we need */
 	m_ready_all = readySDT;
 
@@ -98,7 +96,10 @@ RESULT eDVBScan::nextChannel()
 
 	if (m_flags & scanSearchBAT)
 		m_ready_all |= readyBAT;
-
+
+	if (m_usePAT)
+		m_ready_all |= readyPAT;
+
 	if (m_ch_toScan.empty())
 	{
 		SCAN_eDebug("no channels left to scan.");
@@ -144,38 +145,62 @@ RESULT eDVBScan::nextChannel()
 
 RESULT eDVBScan::startFilter()
 {
+	bool startSDT=true;
 	assert(m_demux);
-	
+
 			/* only start required filters filter */
-
-	m_SDT = 0;
 
-	if (m_ready_all & readySDT)
+	if (m_ready_all & readyPAT)
+		startSDT = m_ready & readyPAT;
+
+	m_SDT = 0;
+	if (startSDT && (m_ready_all & readySDT))
 	{
 		m_SDT = new eTable<ServiceDescriptionSection>();
-		if (m_SDT->start(m_demux, eDVBSDTSpec()))
+		if (m_ready & readyPAT)
+		{
+			std::vector<ProgramAssociationSection*>::const_iterator i =
+				m_PAT->getSections().begin();
+			assert(i != m_PAT->getSections().end());
+			int tsid = (*i)->getTableIdExtension(); // in PAT this is the transport stream id
+			if (m_SDT->start(m_demux, eDVBSDTSpec(tsid, true)))
+				return -1;
+		}
+		else if (m_SDT->start(m_demux, eDVBSDTSpec()))
 			return -1;
 		CONNECT(m_SDT->tableReady, eDVBScan::SDTready);
 	}
 
-	m_NIT = 0;
-	if (m_ready_all & readyNIT)
+	if (!(m_ready & readyPAT))
 	{
-		m_NIT = new eTable<NetworkInformationSection>();
-		if (m_NIT->start(m_demux, eDVBNITSpec()))
-			return -1;
-		CONNECT(m_NIT->tableReady, eDVBScan::NITready);
-	}
+		m_PAT = 0;
+		if (m_ready_all & readyPAT)
+		{
+			m_PAT = new eTable<ProgramAssociationSection>();
+			if (m_PAT->start(m_demux, eDVBPATSpec()))
+				return -1;
+			CONNECT(m_PAT->tableReady, eDVBScan::PATready);
+		}
 
-	m_BAT = 0;
-	if (m_ready_all & readyBAT)
-	{
-		m_BAT = new eTable<BouquetAssociationSection>();
-		if (m_BAT->start(m_demux, eDVBBATSpec()))
-			return -1;
-		CONNECT(m_BAT->tableReady, eDVBScan::BATready);
+		m_NIT = 0;
+		if (m_ready_all & readyNIT)
+		{
+			m_NIT = new eTable<NetworkInformationSection>();
+			if (m_NIT->start(m_demux, eDVBNITSpec()))
+				return -1;
+			CONNECT(m_NIT->tableReady, eDVBScan::NITready);
+		}
+
+		m_BAT = 0;
+		if (m_ready_all & readyBAT)
+		{
+			m_BAT = new eTable<BouquetAssociationSection>();
+			if (m_BAT->start(m_demux, eDVBBATSpec()))
+				return -1;
+			CONNECT(m_BAT->tableReady, eDVBScan::BATready);
+		}
 	}
-	
+
 	return 0;
 }
 
@@ -206,6 +231,15 @@ void eDVBScan::BATready(int err)
 	channelDone();
 }
 
+void eDVBScan::PATready(int err)
+{
+	SCAN_eDebug("got pat");
+	m_ready |= readyPAT;
+	if (!err)
+		m_ready |= validPAT;
+	startFilter(); // for starting the SDT filter
+}
+
 void eDVBScan::addKnownGoodChannel(const eDVBChannelID &chid, iDVBFrontendParameters *feparm)
 {
 		/* add it to the list of known channels. */
@@ -548,10 +582,9 @@ RESULT eDVBScan::processSDT(eDVBNamespace dvbnamespace, const ServiceDescription
 	SCAN_eDebug("ONID: %04x", sdt.getOriginalNetworkId());
 	eDVBChannelID chid(dvbnamespace, sdt.getTransportStreamId(), sdt.getOriginalNetworkId());
 
-		/* save correct CHID for this channel if this is an ACTUAL_SDT */
-	if (sdt.getTableId() == TID_SDT_ACTUAL)
-		m_chid_current = chid;
-
+	/* save correct CHID for this channel */
+	m_chid_current = chid;
+
 	for (ServiceDescriptionConstIterator s(services.begin()); s != services.end(); ++s)
 	{
 		SCAN_eDebugNoNewLine("SID %04x: ", (*s)->getServiceId());

lib/dvb/scan.h

@@ -1,9 +1,10 @@
 #ifndef __lib_dvb_scan_h
 #define __lib_dvb_scan_h
 
-#include <dvbsi++/network_information_section.h>
 #include <dvbsi++/service_description_section.h>
+#include <dvbsi++/network_information_section.h>
 #include <dvbsi++/bouquet_association_section.h>
+#include <dvbsi++/program_association_section.h>
 #include <lib/dvb/idemux.h>
 #include <lib/dvb/esection.h>
 #include <lib/dvb/db.h>
@@ -31,8 +32,8 @@ DECLARE_REF(eDVBScan);
 	RESULT nextChannel();
 
 	RESULT startFilter();	
-	enum { readySDT=1, readyNIT=2, readyBAT=4,
-	       validSDT=8, validNIT=16, validBAT=32};
+	enum { readyPAT=1, readySDT=2, readyNIT=4, readyBAT=8,
+	       validPAT=16, validSDT=32, validNIT=64, validBAT=128};
 
 		/* scan state variables */
 	int m_channel_state;
@@ -49,11 +50,13 @@ DECLARE_REF(eDVBScan);
 	ePtr<eTable<ServiceDescriptionSection> > m_SDT;
 	ePtr<eTable<NetworkInformationSection> > m_NIT;
 	ePtr<eTable<BouquetAssociationSection> > m_BAT;
-
+	ePtr<eTable<ProgramAssociationSection> > m_PAT;
+
 	void SDTready(int err);
 	void NITready(int err);
 	void BATready(int err);
-
+	void PATready(int err);
+
 	void addKnownGoodChannel(const eDVBChannelID &chid, iDVBFrontendParameters *feparm);
 	void addChannelToScan(const eDVBChannelID &chid, iDVBFrontendParameters *feparm);
 	int  sameChannel(iDVBFrontendParameters *ch1, iDVBFrontendParameters *ch2) const;
@@ -64,8 +67,9 @@ DECLARE_REF(eDVBScan);
 	RESULT processSDT(eDVBNamespace dvbnamespace, const ServiceDescriptionSection &sdt);
 
 	int m_flags;
+	bool m_usePAT;
 public:
-	eDVBScan(iDVBChannel *channel, bool debug=false);
+	eDVBScan(iDVBChannel *channel, bool usePAT=true, bool debug=true );
 	~eDVBScan();
 
 	enum { scanNetworkSearch = 1, scanSearchBAT = 2, scanRemoveServices = 4, scanDontRemoveFeeds=8 };

lib/dvb/specs.h

@@ -43,6 +43,23 @@ struct eDVBSDTSpec
 			eDVBTableSpec::tfHaveTID | eDVBTableSpec::tfCheckCRC |
 			eDVBTableSpec::tfHaveTimeout;
 	}
+	eDVBSDTSpec(int tsid, bool other=false)
+	{
+		m_spec.pid     = ServiceDescriptionSection::PID;
+		m_spec.tid     = ServiceDescriptionSection::TID;
+		m_spec.tidext  = tsid;
+		m_spec.timeout = 20000; // ServiceDescriptionSection::TIMEOUT;
+		m_spec.flags   = eDVBTableSpec::tfAnyVersion |
+			eDVBTableSpec::tfHaveTID | eDVBTableSpec::tfCheckCRC |
+			eDVBTableSpec::tfHaveTIDExt | eDVBTableSpec::tfHaveTimeout;
+		if (other)
+		{
+			// SDT other transport stream have TID 0x46 (current is 0x42)
+			// so we mask out the third bit in table id mask..
+			m_spec.flags |= eDVBTableSpec::tfHaveTIDMask;
+			m_spec.tid_mask = 0xFB;
+		}
+	}
 	operator eDVBTableSpec &()
 	{
 		return m_spec;